I-steel kunye ne-plastic grating ibizwa ngokuba yi-steel-plastic composite geogrilles, yomelele kakhulu ucingo lwentsimbi (okanye enye ifayibha), emva konyango olukhethekileyo, kunye ne-polyethylene (PE), kwaye yongeze ezinye izongezo, ngokugqithiswa ukuze kuyenze ibe yinto edibeneyo yokuqina kwamandla aphezulu. , ngoxinzelelo olurhabaxa, okwakwaziwa njengamandla aphezulu omeleziweyo we-geostrip.